1 /* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "simgrid/s4u/Link.hpp"
9 #include "simgrid/sg_config.h"
10 #include "simgrid/simix.hpp"
11 #include "src/kernel/lmm/maxmin.hpp"
12 #include "src/surf/network_interface.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_link, s4u, "Logging specific to the S4U links");
23 const char* sg_link_name(sg_link_t link)
25 return link->getCname();
27 sg_link_t sg_link_by_name(const char* name)
29 return simgrid::s4u::Link::byName(name);
32 int sg_link_is_shared(sg_link_t link)
34 return link->sharingPolicy();
36 double sg_link_bandwidth(sg_link_t link)
38 return link->bandwidth();
40 double sg_link_latency(sg_link_t link)
42 return link->latency();
44 void* sg_link_data(sg_link_t link)
46 return link->getData();
48 void sg_link_data_set(sg_link_t link, void* data)
54 return simgrid::surf::LinkImpl::linksCount();
56 sg_link_t* sg_link_list()
58 simgrid::surf::LinkImpl** list = simgrid::surf::LinkImpl::linksList();
59 sg_link_t* res = (sg_link_t*)list; // Use the same memory area
61 int size = sg_link_count();
62 for (int i = 0; i < size; i++)
63 res[i] = &(list[i]->piface_); // Convert each entry into its interface
69 simgrid::surf::LinkImpl::linksExit();
79 Link* Link::byName(const char* name)
81 surf::LinkImpl* res = surf::LinkImpl::byName(name);
86 const std::string& Link::getName() const
88 return this->pimpl_->getName();
90 const char* Link::getCname() const
92 return this->pimpl_->getCname();
94 const char* Link::name()
100 return this->pimpl_->isUsed();
103 double Link::latency()
105 return this->pimpl_->latency();
108 double Link::bandwidth()
110 return this->pimpl_->bandwidth();
113 int Link::sharingPolicy()
115 return this->pimpl_->sharingPolicy();
118 double Link::getUsage()
120 return this->pimpl_->constraint()->get_usage();
125 simgrid::simix::kernelImmediate([this]() {
126 this->pimpl_->turnOn();
131 simgrid::simix::kernelImmediate([this]() {
132 this->pimpl_->turnOff();
136 void* Link::getData()
138 return this->pimpl_->getData();
140 void Link::setData(void* d)
142 simgrid::simix::kernelImmediate([this, d]() {
143 this->pimpl_->setData(d);
147 void Link::setStateTrace(tmgr_trace_t trace)
149 simgrid::simix::kernelImmediate([this, trace]() {
150 this->pimpl_->setStateTrace(trace);
153 void Link::setBandwidthTrace(tmgr_trace_t trace)
155 simgrid::simix::kernelImmediate([this, trace]() {
156 this->pimpl_->setBandwidthTrace(trace);
159 void Link::setLatencyTrace(tmgr_trace_t trace)
161 simgrid::simix::kernelImmediate([this, trace]() {
162 this->pimpl_->setLatencyTrace(trace);
166 const char* Link::getProperty(const char* key)
168 return this->pimpl_->getProperty(key);
170 void Link::setProperty(std::string key, std::string value)
172 simgrid::simix::kernelImmediate([this, key, value] { this->pimpl_->setProperty(key, value); });
178 simgrid::xbt::signal<void(s4u::Link&)> Link::onCreation;
179 simgrid::xbt::signal<void(s4u::Link&)> Link::onDestruction;
180 simgrid::xbt::signal<void(s4u::Link&)> Link::onStateChange;
181 simgrid::xbt::signal<void(surf::NetworkAction*, s4u::Host* src, s4u::Host* dst)> Link::onCommunicate;
182 simgrid::xbt::signal<void(surf::NetworkAction*)> Link::onCommunicationStateChange;